something that is not what it purports to be; a spurious imitation; fraud or hoax. a person who shams; shammer. a pillow sham. sham attacks; a sham Gothic façade. designed, made, or used as a sham. shammed, shamming. to produce an imitation of. to sham illness. shammed, shamming. to make a false show of something; pretend. More @Wikipedia
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